Overview

overview

10

Static

static

6

5c93b6875e...67.apk

android-9-x86

10

5c93b6875e...67.apk

android-10-x64

10

Analysis

  • max time kernel
    138s
  • max time network
    149s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    11-10-2024 09:15

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General

  • Target

    5c93b6875ee294f03b29b390102809e9daf2efac67717e3b92231d49e4fc3467.apk

  • Size

    9.3MB

  • MD5

    7912474dba7df6d46e8abd3ad47ed8ed

  • SHA1

    6ba6184aaa44070bdfc2bf8df9708d0a4356a250

  • SHA256

    5c93b6875ee294f03b29b390102809e9daf2efac67717e3b92231d49e4fc3467

  • SHA512

    ce3ed9df56e0d5dbc6d1bcda83c997c86d91021325f6c17cab81fffc9a01f83beaa80de71bf1ca7c214a631a2429848da34d55f8e97466ef3c351b47cfde5aaf

  • SSDEEP

    98304:GTiYcdoC796L81vcj7VRsz0nVKC55iSRGQCI7pxlpXU8Abu5nQ1LAjAM:GZcq1LQEj7VR6MUmrs4dQlAT

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

C2

https://0e97556072acd897b127d53221a49ecb.com

AES_key
AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

    bankertrojaninfostealerratocto
  • Octo payload 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

    evasion
  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • Acquires the wake lock 1 IoCs
  • Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

    Application may abuse the framework's foreground service to continue running in the foreground.

    evasionpersistence
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
    discovery
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.xjinterval88decreasefiles
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Queries the mobile country code (MCC)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4268
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.xjinterval88decreasefiles/app_palm/oOkF.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.xjinterval88decreasefiles/app_palm/oat/x86/oOkF.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4294

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1624

Broadcast Receivers

1
T1624.001

Foreground Persistence

1
T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1
T1407

Foreground Persistence

1
T1541

Hide Artifacts

1
T1628

User Evasion

1
T1628.002

Input Injection

1
T1516

Virtualization/Sandbox Evasion

2
T1633

System Checks

2
T1633.001

Credential Access

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

Software Discovery

1
T1418

Security Software Discovery

1
T1418.001

System Information Discovery

2
T1426

System Network Configuration Discovery

3
T1422

Lateral Movement

Collection

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Screen Capture

1
T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

1
T1471

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.xjinterval88decreasefiles/.global.com.xjinterval88decreasefiles
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.xjinterval88decreasefiles/app_palm/oOkF.json
    Filesize

    1014B

    MD5

    e1ca4d9824c21e63d7320726f1932396

    SHA1

    d1aaa0ea5959194e0fae2ff6c798710b3f558e75

    SHA256

    411ed6cb7481f3913d6831b3de442d195f1a308f815652d2d3f0ed80fa00614d

    SHA512

    15c63aa440cb142dbae77b97ec04de9db38ebf7cd81f9e393ee85d8a820cb770f48aba26724ad727e9f65280139b560409c22326987ac82f0a1e5da7a99c5451

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  • /data/data/com.xjinterval88decreasefiles/app_palm/oOkF.json
    Filesize

    1014B

    MD5

    2e3e23c8061d573a3671883341d0b1cb

    SHA1

    304b82c9cf51cbb1fabc29e0702ad056b3ad08a6

    SHA256

    f09df48020d1968d78ec1c9e57233cfe37e957fe21acb360a0a974e7323a080a

    SHA512

    c12da190094a8c82960eb74b186b2fc76ee90b29e0b669b2b6df8431fd68374df89f54463f2122fa5ef86399b751d54147da68730af27f1e9d62c7d36ff3d4f1

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  • /data/data/com.xjinterval88decreasefiles/files/.v
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

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  • /data/user/0/com.xjinterval88decreasefiles/app_palm/oOkF.json
    Filesize

    1KB

    MD5

    67e17d4a03fde8cba2db3f295d77a8c1

    SHA1

    087bf8b9e455711c2841450e41650ba5adf462b9

    SHA256

    50667efece989387353a7defa95bbf1aa7256fed51ed9a5b4a377d51a5ce7e1a

    SHA512

    4f36761b46e152fd9e576fe59b1d82963703d8860fa73e1f8360776e1029dd567bcfa9ad4c1790bd7132a544e19f494e74fc9dd61c7eae5b27c84dfa090ccfc3

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  • /data/user/0/com.xjinterval88decreasefiles/app_palm/oOkF.json
    Filesize

    1KB

    MD5

    3ddb8ea60726636acb375ac123b24373

    SHA1

    7c378d69df933d8f3a49d912be58aa342ed00a67

    SHA256

    01cd181666562bfff5fabefe701c3970da5591cc6f36c50fb4d4e6c3937aa855

    SHA512

    9709c2ee75be25d74e9c0d791988b139cc4d481bf6747856aa3c71b73075a4fb3023618aa371c95c55ef30f5bc2954967013ca1ae67a1d7886a97592c45b372f

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  • Anonymous-DexFile@0xcb078000-0xcb0fbaec
    Filesize

    526KB

    MD5

    0299f010481e31087113107d7e3ddc83

    SHA1

    b4fe16ebb310db29ac49d768765ce2be9a3995c5

    SHA256

    97f889ba6c7eed72595c43c2b456e2e05c90c9b5aebf47ca55f58f210dbeeddb

    SHA512

    04af750946182571c1b1ecba2fa55a60d7de6703aafcfa4b59470f6ed765747a27bc29684d849ec1215afded08644ead4cb61aee054cb67eec75be51d2c96c57

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